NASA astronaut Jim McDivitt’s personally-owned and -worn stainless steel Armand Nicolet wristwatch with a safety-style coil stretch band set to release when placed under too much stress. This well-worn chronograph features two subdials, a 17-jewel movement, and is stamped on the caseback, "144B." In very good to fine condition, with noticeable wear and tarnishing to caseback, scuffing to crystal, and missing hand to subdial. Accompanied by a letter of provenance stating that the watch was purchased at the McDivitt family estate sale held in Tucson, Arizona, on April 1, 2022.